document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=482478>Question 482478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have the following problem that I could not get past.\r<BR>\n" );
document.write( "\n" );
document.write( "6. A car is traveling on a highway. The distance (in miles) from its <BR>\n" );
document.write( "destination and the time (in hours) is given by the equation\r<BR>\n" );
document.write( "\n" );
document.write( "d = 420 - 65t\r<BR>\n" );
document.write( "\n" );
document.write( "a. What is the vertical intercept of the line?<BR>\n" );
document.write( "(I think it's 420 but am not sure)\r<BR>\n" );
document.write( "\n" );
document.write( "b. What is the practical meaning of the vertical intercept?<BR>\n" );
document.write( "(Once I can solve the first problem this one I can solve)\r<BR>\n" );
document.write( "\n" );
document.write( "c. What is the slope of the line represented by the equation?<BR>\n" );
document.write( "(Not sure about this one since it's too far ahead in the problem)\r<BR>\n" );
document.write( "\n" );
document.write( "d. What is the practical meaning of the slope determined in part c?\r<BR>\n" );
document.write( "\n" );
document.write( "e. What is the horizontal intercept?\r<BR>\n" );
document.write( "\n" );
document.write( "f. What is the practical domain of this function.\r<BR>\n" );
document.write( "\n" );
document.write( "g. Graph the equation, both by hand and with your graphing calculator, to <BR>\n" );
document.write( "verify your answers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #330296 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=330296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car is traveling on a highway. The distance (in miles) from its <BR>\n" );
document.write( "destination and the time (in hours) is given by the equation\r<BR>\n" );
document.write( "\n" );
document.write( "d = 420 - 65t\r<BR>\n" );
document.write( "\n" );
document.write( "a. What is the vertical intercept of the line?<BR>\n" );
document.write( "(I think it's 420 but am not sure) correct\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b. What is the practical meaning of the vertical intercept?\r<BR>\n" );
document.write( "\n" );
document.write( "Practically, at t=0, starting time , it is 420 miles from the origin.<BR>\n" );
document.write( "c. What is the slope of the line represented by the equation?\r<BR>\n" );
document.write( "\n" );
document.write( "-65 is the slope\r<BR>\n" );
document.write( "\n" );
document.write( "d. What is the practical meaning of the slope determined in part c?<BR>\n" );
document.write( "it tells the speed of the car <BR>\n" );
document.write( "As time increases it is nearing the origin\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "e. What is the horizontal intercept?<BR>\n" );
document.write( "6.56  (6.56,0)\r<BR>\n" );
document.write( "\n" );
document.write( "f. What is the practical domain of this function.<BR>\n" );
document.write( "after 6.56 hours the car reaches the starting point. (origin)\r<BR>\n" );
document.write( "\n" );
document.write( "g. Graph the equation, both by hand and with your graphing calculator, to <BR>\n" );
document.write( "verify your answers.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28500%2C500%2C-10%2C10%2C-10%2C500%2Ccircle%280%2C420%2C0.2%29%2Ccircle%286.56%2C0%2C0.2%29%2Cgraph%28500%2C500%2C-10%2C10%2C-10%2C500%2Cy=420-65x%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "m.ananth@hotmail.ca </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );